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Describe about Object oriented design
Object oriented design is concerned with developing an object oriented model of a software system to implement known requirements. Many OOD methods have been described since late 1980s. The most famous OOD methods include Wasserman, Buhr, Booch, and HOOD developed by the European Space Agency which can give following benefits: maintainability through simplified mapping to problem domain that provides for less analysis effort, less complexity in system design and easier verification by user.
Draw an E_R Model for the following: An organization uses number of items of a equipment to generates goods. Each item is at one LOCATION, of one TYPE and has a DETAILED_DISCRI
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
entity relationship diagram for online examination system
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Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
Haw does it work one database application
why are older data models are being replaced by new data models
What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
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